If I remember correctly the audio rate is literally the data rate your
sound card is sampling at eg 32kHz or 44.1kHz and quad rate is the
incoming rf sampling rate. For example you may have sampled your RF at
128kHz and be running your audio (or whatever) at 32kHz.
On 24/02/2011 11:45 PM, ömer günay wrote:
I am trying to do sdr radar. I will send linear fm modulated signal
and then take it. I am seaching fm modulating blocks in grc. I ran
some examples but could not understand it is true or not. I also
looked nbfm and wbfm transmitter and receiver blocks in grc but i
could not find any documents about these blocks. For example what do
audio_rate and quadrature_rate mean? I must do linear fm transmitter
and receiver for our project. Could you help me if you have any
documents or opion?
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